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The convergence of Telecom, Datacom and Multimedia systems (the New Telecoms World) has slightly changed the demands on powering applications. As cost optimization is a major issue in the New Telecoms World, different power shedding levels have been introduced for different loads. These levels require disconnection/reconnection devices that shall operate autonomously independent from the mains. The introduction of such devices shall however not affect the availability of the total system: the reconnection of one of the loads shall not affect the operation of another load, by producing transients on the system voltage; the disconnectionlreconnection devices shall not be overloaded etc.The article describes a new system topology that matches the new requirements without deteriorating the availability of the system.

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